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Tissues - Coggle Diagram
Tissues
Meristematic tissues/growing tissues
Intercalary meristem
Present in nodes of leaf and stem
Increase in width of stem
Lateral meristem
Present side of the stem
Increase in thickness of the stem
Apical meristem
Present in tips of shoot and roots
Growth of length of plant
Permanent tissues
Simple permanent tissues
Collenchyma
Characteristics
Less intercellular spaces
Flexibility and mechanical strength
Thick cell wall + chemical compound (pectin)
composed of dead cell
Scelerenchyma
Characteristcis
mechanical support and strength
No intercellular spaces
Thick cell wall + chemical compound (lignic)
Parenchyma
Types of parenchyma
Parenchyma + chlorophyll = chlorenchyma
Parenchyma + air = aerenchyma
Characteristics
Longest important simple permanent tissue
Unspecialised cells and thin cell wall made of cellulose
More intercellular spaces
Stores food
composed of living cells
Complex permanent tissues